diff --git a/package.json b/package.json
index b8140cd..2014984 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "infracost",
   "displayName": "Infracost",
   "description": "Cloud cost estimates for Terraform in your editor",
-  "version": "0.2.17",
+  "version": "0.2.18",
   "publisher": "Infracost",
   "license": "Apache-2.0",
   "icon": "infracost-logo.png",
diff --git a/src/block.ts b/src/block.ts
index 47d84a9..2175fed 100644
--- a/src/block.ts
+++ b/src/block.ts
@@ -31,7 +31,7 @@ export default class Block {
     let cost = 0;
 
     for (const r of this.resources) {
-      if (r.monthlyCost === null) {
+      if (r.monthlyCost == null) {
         r.monthlyCost = 0;
       }